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 Photo of an underwater fissure taken during an Alvin dive on the East Pacific Rise. The darker lava at the bottom of the fissure is a new eruption. We believe this same type of process occurs here on the submarine rift zones of Fernandina and Cerro Azul volcanoes.


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Photo of an underwater fissure taken during an Alvin dive on the East Pacific Rise. The darker lava at the bottom of the fissure is a new eruption. We believe this same type of process occurs here on the submarine rift zones of Fernandina and Cerro Azul volcanoes.

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